Rule 34 Dev - abs anthro balls biceps big_penis biped clothing disc_jockey erection foreskin fur genitals glans hands_behind_head humanoid_genitalia humanoid_penis kerchief looking_at_viewer lying male muscular muscular_anthro muscular_male music nipples nude on_back pecs penis pose presenting record relaxing retracted_foreskin solo tail tall nudog lupine_assassin canid canine canis mammal wolf 2014 greyscale monochrome sketch|264873105